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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.31897/PMI.2023.1</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15777</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15777</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геотехнология и инженерная геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geotechnical Engineering and Engineering Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Development of composition and study of sorbent properties based on saponite</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Разработка состава и исследование свойств сорбента на основе сапонита</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Zubkova</surname>
            <given-names>Olga S.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Зубкова</surname>
              <given-names>О. С.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Zubkova</surname>
              <given-names>Olga S.</given-names>
            </name>
          </name-alternatives>
          <email>zubkova-phd@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-5833-528X</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Pyagay</surname>
            <given-names>Igor N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Пягай</surname>
              <given-names>И. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Pyagay</surname>
              <given-names>Igor N.</given-names>
            </name>
          </name-alternatives>
          <email>igor-pya@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-2575-934X</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Pankratieva</surname>
            <given-names>Ksenia A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Панкратьева</surname>
              <given-names>К. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Pankratieva</surname>
              <given-names>Ksenia A.</given-names>
            </name>
          </name-alternatives>
          <email>kseniapank21001@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-4332-1846</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Toropchina</surname>
            <given-names>Maria A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Торопчина</surname>
              <given-names>М. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Toropchina</surname>
              <given-names>Maria A.</given-names>
            </name>
          </name-alternatives>
          <email>toropchina_maria@bk.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-2228-7930</contrib-id>
          <xref ref-type="aff" rid="aff4"/>
        </contrib>
        <aff-alternatives id="aff4">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2023-02-27">
        <day>27</day>
        <month>02</month>
        <year>2023</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2023</year>
      </pub-date>
      <volume>259</volume>
      <fpage>21</fpage>
      <lpage>29</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-03-22">
          <day>22</day>
          <month>03</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2022-11-17">
          <day>17</day>
          <month>11</month>
          <year>2022</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2023-02-27">
          <day>27</day>
          <month>02</month>
          <year>2023</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© Olga S. Zubkova, Igor N. Pyagay, Ksenia A. Pankratieva, Maria A. Toropchina</copyright-statement>
        <copyright-year>2023</copyright-year>
        <copyright-holder xml:lang="ru">О. С. Зубкова, И. Н. Пягай, К. А. Панкратьева, М. А. Торопчина</copyright-holder>
        <copyright-holder xml:lang="en">Olga S. Zubkova, Igor N. Pyagay, Ksenia A. Pankratieva, Maria A. Toropchina</copyright-holder>
        <license xlink:href="http://creativecommons.org/licenses/by/4.0">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/15777">https://pmi.spmi.ru/pmi/article/view/15777</self-uri>
      <abstract xml:lang="ru">
        <p>В связи с высокими требованиями природоохранного законодательства к сбросу промышленных сточных вод необходима разработка комплексного подхода к предотвращению загрязнения природных объектов. В различных отраслях производства для извлечения тяжелых металлов из сточных вод применяются адсорбенты. В данном исследовании рассматривается возможность использования сапонитовой глины в качестве сырья для производства сорбента с целью извлечения ионов меди Cu2+ из промышленных стоков, разработана рецептура и технология получения сорбента, а также установлен его химический состав. Установлено, что оптимальная температура для термообработки сорбента соответствует 550 ºС, так как при данной температуре сапонитовые экструдаты приобретают прочностные (прочность 34,1 кг/мм2) и текстурные свойства (удельная поверхность гранулы 22,803 м2/г), позволяющие применять их в качестве сорбентов. Исследование кинетики молекулярной адсорбции проведено при использовании модельных растворов сульфата меди (II). Эффективность извлечения ионов меди (II) из модельных растворов составляет 93 %. Эффективность извлечения ионов меди (II) из стоков омеднения достигает 94 %. Результаты СЭМ подтверждают наличие металла на поверхности сорбента.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The development of a comprehensive approach to preventing the pollution of natural objects is necessary due to the high requirements of environmental legislation for the discharge of industrial wastewater. Adsorbents are used in various industries to extract heavy metals from wastewater. In this study the possibility of using saponite clay as a raw material for the production of sorbent for the extraction of copper ions Cu2+ from industrial wastewater is considered, a recipe and technology of sorbent production are developed, and its chemical composition is established. It has been established that the optimum temperature for heat treatment of the sorbent and corresponds to 550 ºC, since at this temperature saponite extrudates acquire strength (strength 34.1 kg/mm2) and textural properties (specific surface area of pellets 22.803 m2/g), allowing them to be used as sorbents. The kinetics of molecular adsorption was studied using model solutions of copper (II) sulfate. The extraction efficiency of copper (II) ions from the model solutions is 93 %. Extraction efficiency of copper (II) ions from copper plating wastewater reaches 94 %. SEM results confirm the presence of metal on the sorbent surface.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>сапонитовая глина</kwd>
        <kwd>сорбент</kwd>
        <kwd>сорбционная емкость</kwd>
        <kwd>удельная поверхность</kwd>
        <kwd>гидрометаллургия</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>saponite clay</kwd>
        <kwd>sorbent</kwd>
        <kwd>sorption capacity</kwd>
        <kwd>specific surface area</kwd>
        <kwd>hydrometallurgy</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
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